svtools/inc/strmadpt.hxx

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  30
  31 #ifndef SVTOOLS_STRMADPT_HXX
  32 #define SVTOOLS_STRMADPT_HXX
  33
  34 #include "svtools/svldllapi.h"
  35 #include <com/sun/star/io/XInputStream.hpp>
  36 #include <com/sun/star/io/XOutputStream.hpp>
  37 #include <com/sun/star/io/XSeekable.hpp>
  38 #include <cppuhelper/weak.hxx>
  39 #include <tools/stream.hxx>
  40
  41 //============================================================================
  42 class SVL_DLLPUBLIC SvOutputStreamOpenLockBytes: public SvOpenLockBytes
  43 {
  44     com::sun::star::uno::Reference< com::sun::star::io::XOutputStream >
  45         m_xOutputStream;
  46     sal_uInt32 m_nPosition;
  47
  48 public:
  49     TYPEINFO();
  50
  51     SvOutputStreamOpenLockBytes(
  52             const com::sun::star::uno::Reference<
  53                       com::sun::star::io::XOutputStream > &
  54                 rTheOutputStream):
  55         m_xOutputStream(rTheOutputStream), m_nPosition(0) {}
  56
  57     virtual ErrCode ReadAt(ULONG, void *, ULONG, ULONG *) const;
  58
  59     virtual ErrCode WriteAt(ULONG nPos, const void * pBuffer, ULONG nCount,
  60                             ULONG * pWritten);
  61
  62     virtual ErrCode Flush() const;
  63
  64     virtual ErrCode SetSize(ULONG);
  65
  66     virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag) const;
  67
  68     virtual ErrCode FillAppend(const void * pBuffer, ULONG nCount,
  69                                ULONG * pWritten);
  70
  71     virtual ULONG Tell() const;
  72
  73     virtual ULONG Seek(ULONG);
  74
  75     virtual void Terminate();
  76 };
  77
  78 //============================================================================
  79 class SVL_DLLPUBLIC SvLockBytesInputStream: public cppu::OWeakObject,
  80                               public com::sun::star::io::XInputStream,
  81                               public com::sun::star::io::XSeekable
  82 {
  83     SvLockBytesRef m_xLockBytes;
  84     sal_Int64 m_nPosition;
  85     bool m_bDone;
  86
  87 public:
  88     SvLockBytesInputStream(SvLockBytes * pTheLockBytes):
  89         m_xLockBytes(pTheLockBytes), m_nPosition(0), m_bDone(false) {}
  90
  91     virtual com::sun::star::uno::Any SAL_CALL
  92     queryInterface(const com::sun::star::uno::Type & rType)
  93         throw (com::sun::star::uno::RuntimeException);
  94
  95     virtual void SAL_CALL acquire() throw();
  96
  97     virtual void SAL_CALL release() throw();
  98
  99     virtual sal_Int32 SAL_CALL
 100     readBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
 101               sal_Int32 nBytesToRead)
 102         throw (com::sun::star::io::IOException,
 103                com::sun::star::uno::RuntimeException);
 104
 105     virtual sal_Int32 SAL_CALL
 106     readSomeBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
 107                   sal_Int32 nMaxBytesToRead)
 108         throw (com::sun::star::io::IOException,
 109                com::sun::star::uno::RuntimeException);
 110
 111     virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip)
 112         throw (com::sun::star::io::IOException,
 113                com::sun::star::uno::RuntimeException);
 114
 115     virtual sal_Int32 SAL_CALL available()
 116         throw (com::sun::star::io::IOException,
 117                com::sun::star::uno::RuntimeException);
 118
 119     virtual void SAL_CALL closeInput()
 120         throw (com::sun::star::io::IOException,
 121                com::sun::star::uno::RuntimeException);
 122
 123     virtual void SAL_CALL seek(sal_Int64 nLocation)
 124         throw (com::sun::star::lang::IllegalArgumentException,
 125                com::sun::star::io::IOException,
 126                com::sun::star::uno::RuntimeException);
 127
 128     virtual sal_Int64 SAL_CALL getPosition()
 129         throw (com::sun::star::io::IOException,
 130                com::sun::star::uno::RuntimeException);
 131
 132     virtual sal_Int64 SAL_CALL getLength()
 133         throw (com::sun::star::io::IOException,
 134                com::sun::star::uno::RuntimeException);
 135 };
 136
 137 #endif // SVTOOLS_STRMADPT_HXX
 138